Montrose County Bridge Report Card
Montrose County scores 86 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Montrose County, Colorado
Montrose County has 117 bridges in the National Bridge Inventory, with 3 rated poor and 5 rated scour-critical. Its poor-condition share of 2.6% is at or below the 4.6% statewide average. Poor-condition bridges carry about 763 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Montrose County a Bridge Condition Exposure Score of 86/100 (B). The county has 117 bridges in the National Bridge Inventory, including 3 in poor condition and 5 rated scour-critical. Poor-condition bridges carry about 763 daily vehicle crossings. Poor condition does not mean unsafe; bridges judged unsafe are closed or restricted by transportation agencies.
How the Score Breaks Down
| Factor | Weight | County Value | Penalty |
|---|---|---|---|
| Poor-condition bridge share | 40 | 2.6% | 5.1 |
| Poor-condition traffic exposure | 25 | 0.4% of measured traffic | 0.3 |
| Scour-critical bridge share | 20 | 4.3% | 8.5 |
| Average age vs national baseline | 10 | 45 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 172,716 measured daily crossings | 0.0 |
Score = 100 minus weighted penalties. The score is a comparative research signal, not an official safety rating. Read the full methodology.
County Comparisons
| County Poor-Condition Share | 2.6% |
| State Poor-Condition Share | 4.6% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 4.3% |
| Average Bridge Age | 45 years |
| Poor-Condition Traffic Exposure | 763 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Montrose County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| SH 348 Ml over Ironstone Canal | Poor condition + traffic exposure | Poor | 590 | 1963 |
| County Road 6500 over Montrose And Delta Canal | Poor condition + traffic exposure | Poor | 116 | 1985 |
| Uncompahgre Road over South Canal | Poor condition + traffic exposure | Poor | 57 | 1981 |
| SH 348 Ml over Uncompahgre River | Scour-critical foundation rating | Fair | 2,600 | 1966 |
| SH 141 Ml over Dry Creek | Scour-critical foundation rating | Fair | 560 | 1972 |
| SH 141 Ml over Dolores River | Scour-critical foundation rating | Fair | 260 | 1958 |
| County Road R13 over Dolores River | Scour-critical foundation rating | Fair | 253 | 1953 |
| Begonia Rd/cr 18 over Dry Creek | Scour-critical foundation rating | Fair | 160 | 1976 |
| US 550 Ml over Cedar Wash | High traffic | Fair | 25,000 | 1936 |
| US 50 Ml over Cedar Creek | High traffic | Fair | 14,000 | 1958 |
Important safety note
Poor condition does not mean a bridge is unsafe. It means at least one major component has significant deterioration and the bridge is a priority for maintenance, repair, or replacement. Bridges judged unsafe are closed or restricted by transportation agencies.